<form name="punchout_form" method="post" action="https://openapi.alipaydev.com/gateway.do?charset=utf-8&method=alipay.trade.page.pay&sign=XSGpR0B7xPMDlxO7mq%2FEB5HP9uGFova5mq4BVA5oZpzQC1%2FC0gGl8v5AGiTrlcZ8w4O8DtE%2Bv%2BCXfYEvrhHJtOn6oJhNB8jWzZhF31i0eBPiFAuTahTmFpJMAxUOPPzUySGyDibDUSDCugfiWZz4M8Lc6L%2B3D5lwIo6OtwoW7L4PHE9l3vnBdg%2Bdhk22v8oJdW51%2B4lz0b9D1fuVnCXXpyxogt76qicJSQJH8PgNLJxlA20NJJKTOKRGYwly8W2EB5%2BObNAkrf%2BcNYNR9JJtYRzBB54K9PLHpyQFue0wxOj4nIBB47CER54md82A2VA0%2BS0J6GUNFvJ2lDm4Mp1VMA%3D%3D&return_url=http%3A%2F%2Foxtes63778.51xd.pub%2Fpay%2Ftest%2Freturn&notify_url=http%3A%2F%2Foxtes63778.51xd.pub%2Fpay%2Ftest%2Fnotify&version=1.0&app_id=2021000118693694&sign_type=RSA2&timestamp=2022-01-13+23%3A19%3A50&alipay_sdk=alipay-sdk-java-dynamicVersionNo&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;3213213123123&quot;,&quot;total_amount&quot;:&quot;3000&quot;,&quot;subject&quot;:&quot;玩偶熊&quot;,&quot;body&quot;:&quot;null&quot;,&quot;timeout_express&quot;:&quot;1m&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>